diff --git a/LEGO1/lego/legoomni/include/registrationbook.h b/LEGO1/lego/legoomni/include/registrationbook.h
index 4e801bf2..123fea45 100644
--- a/LEGO1/lego/legoomni/include/registrationbook.h
+++ b/LEGO1/lego/legoomni/include/registrationbook.h
@@ -43,6 +43,7 @@ class RegistrationBook : public LegoWorld {
 	undefined4 m_unk0x288;      // 0x288
 	undefined2 m_unk0x28c;      // 0x28c
 	undefined2 m_unk0x28e;      // 0x28e
+	undefined m_unk0x290[0x28]; // 0x290
 	undefined2 m_unk0x2b8;      // 0x2b8
 	undefined m_unk0x2ba[0x02]; // 0x2ba
 	undefined4 m_unk0x2bc;      // 0x2bc